p{
    margin: 0;
    padding: 0;

}
body{
    margin: 0;
    background-color: rgb(231, 231, 231);
}
ul{
    list-style: none;
    margin: 0;
    padding: 0;
}
.title-log{
    width: 960px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    height: 50px;
    line-height: 50px;
}
.mid{
    background-image: url("../img/header.jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
    position: relative;
    z-index: 100;
}
.header{
    position: absolute;
    height: 90px;
    width: 100%;
    background-image: url("../img/nav_spr.png");
    background-repeat: no-repeat;
    background-position: 50% 0;
    top: 0px;
    z-index: 3;
    overflow: hidden;

    z-index: 1000;
}
.left-logo{
    height: 69px;
    width: 142px;
    background-image: url("../img/nav_spr.png");
    background-position: 0 -132px;
}
.right-word{
    display: flex;
    width: 900px;
    height: 90px;
    line-height: 69px;
    justify-content: space-between;
    color: white;
}
.right-word li{
    margin-left: 40px;
}
.img-logo{
    position: absolute;
    bottom: -40px;
    left: 200px;
}
.main-bottom{
    width: 1250px;
    margin: 0 auto;
    display: flex;
    /* height: 500px; */
    /* background-color: rgb(231, 231, 231); */
}
.left-logo-lunbo{
    width: 60%;
    height: 400px;
    background-image: url("../img/5.jpg");
    background-size: 100% 100%;
    background-repeat: no-repeat;
}
.right-tips{
    width: 40%;
    background-color: white;
    /* margin-top:; */
   
    margin-left: 60px;
}
.min-in-ul{
    padding-top: 10px;
    padding-left: 20px;
}
.min-in-ul>li{
    width: 63px;
    height: 44px;
    line-height: 44px;
    text-align: center;
}
.min-in-ul>li:nth-child(1){
    /* border-bottom: 2px solid red;
    cursor: pointer; */
}
.min-in-ul>li:hover{
    border-bottom: 2px solid #b27601;
    cursor: pointer;
}
.main-video{
    width: 1250px;
    margin: 0 auto;
}
.video-class{
    display: flex;
    justify-content: space-around;
}
.video-class>li{
    width: 290px;
    height: 150px;
}
